MCQ
The equation $2x + 5y = 7$ has a unique solution, if $x$ and $y$ are:
- ✓Natural numbers.
- BRational numbers.
- CPositive real numbers.
- DReal numbers.
✓
Answer
Correct option: A.
Natural numbers.
The equation $2x + 5y = 7$ has a unique solution, if $x$ and $y$ are natural numbers.
If we take $x = 1$ and $y = 1$, the given equation is satisfied.
If we take $x = 1$ and $y = 1$, the given equation is satisfied.
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